When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$463 Cheap Flights from Seoul Gimpo Intl Airport to Seattle in 2025/26

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Find the cheapest flights from Seoul Gimpo Intl Airport to Seattle

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 7:16 pm

GMP

SEA

23h 51m2 stops

3:45 pm - 6:35 pm

SEA

GMP

33h 50m1 stop

$804ANA

mar., feb. 3 - mié., feb. 4

12:25 pm - 7:16 pm

GMP

SEA

23h 51m2 stops

10:05 am - 10:30 pm

SEA

GMP

19h 25m2 stops

$828ANA

mar., feb. 3 - mié., feb. 4

12:40 pm - 6:30 pm

GMP

SEA

21h 50m2 stops

4:30 pm - 11:05 am

SEA

GMP

26h 35m1 stop

$839ANA

lun., jun. 8 - lun., jun. 15

7:50 pm - 7:16 pm

GMP

SEA

40h 26m2 stops

4:30 pm - 6:35 pm

SEA

GMP

34h 05m1 stop

$840ANA

lun., ene. 26 - lun., sep. 21

12:25 pm - 1:20 pm

GMP

SEA

17h 55m1 stop

10:05 am - 10:30 pm

SEA

GMP

19h 25m2 stops

$849ANA

vie., ene. 23 - vie., ene. 30

7:45 am - 1:20 pm

GMP

SEA

22h 35m1 stop

3:45 pm - 11:20 am

SEA

GMP

26h 35m1 stop

$863ANA

vie., ene. 23 - vie., ene. 30

12:25 pm - 1:20 pm

GMP

SEA

17h 55m1 stop

10:05 am - 10:30 pm

SEA

GMP

19h 25m2 stops

$871ANA

vie., ene. 23 - vie., ene. 30

7:45 am - 1:20 pm

GMP

SEA

22h 35m1 stop

3:45 pm - 6:35 pm

SEA

GMP

33h 50m1 stop

$872ANA

lun., ene. 26 - lun., feb. 23

7:55 pm - 2:25 pm

GMP

SEA

34h 30m1 stop

4:30 pm - 11:05 am

SEA

GMP

26h 35m1 stop

$874ANA

lun., jun. 8 - lun., jun. 15

12:25 pm - 1:20 pm

GMP

SEA

17h 55m1 stop

3:45 pm - 11:20 am

SEA

GMP

26h 35m1 stop

$878ANA

vie., ene. 23 - vie., ene. 30

ANA flights from Seoul Gimpo Intl Airport to Seattle

Our best ANA deals on Seoul Gimpo Intl Airport to Seattle flight tickets

ANA

Jun 8

GMP12:40 pmSeoul Gimpo Intl

21h 50m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

Jun 15

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$839

Find similar

ANA

Jan 26

GMP7:50 pmSeoul Gimpo Intl

40h 26m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

Sep 21

SEA4:30 pmSeattle/Tacoma Intl

34h 05m

1 stop

GMP6:35 pmSeoul Gimpo Intl

$840

Find similar

ANA

Jan 26

GMP7:45 amSeoul Gimpo Intl

22h 35m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Feb 23

SEA3:45 pmSeattle/Tacoma Intl

33h 50m

1 stop

GMP6:35 pmSeoul Gimpo Intl

$872

Find similar

Japan Airlines flights from Seoul Gimpo Intl Airport to Seattle

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to Seattle flight tickets

Japan Airlines

Mar 3

GMP12:05 pmSeoul Gimpo Intl

14h 50m

1 stop

SEA9:55 amSeattle/Tacoma Intl

Mar 13

SEA1:30 pmSeattle/Tacoma Intl

29h 25m

1 stop

GMP10:55 amSeoul Gimpo Intl

$1,236

Find similar

Japan Airlines

Jan 26

GMP8:00 amSeoul Gimpo Intl

25h 47m

2 stops

SEA4:47 pmSeattle/Tacoma Intl

Sep 21

SEA8:10 amSeattle/Tacoma Intl

21h 40m

2 stops

GMP9:50 pmSeoul Gimpo Intl

$1,280

Find similar

Japan Airlines

Jan 23

GMP8:00 amSeoul Gimpo Intl

25h 47m

2 stops

SEA4:47 pmSeattle/Tacoma Intl

Feb 23

SEA11:40 amSeattle/Tacoma Intl

41h 25m

2 stops

GMP10:05 pmSeoul Gimpo Intl

$1,281

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

mar. 2/3

12:25 pm-7:16 pm

2 stops23h 51m

Seattle/Tacoma Intl

mié. 2/4

3:45 pm-6:35 pm

1 stop33h 50m

$804

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

mar. 2/3

12:25 pm-7:16 pm

2 stops23h 51m

Seattle/Tacoma Intl

mié. 2/4

10:05 am-10:30 pm

2 stops19h 25m

$828

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

lun. 6/8

12:40 pm-6:30 pm

2 stops21h 50m

Seattle/Tacoma Intl

lun. 6/15

4:30 pm-11:05 am

1 stop26h 35m

$839

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

lun. 1/26

7:50 pm-7:16 pm

2 stops40h 26m

Seattle/Tacoma Intl

lun. 9/21

4:30 pm-6:35 pm

1 stop34h 05m

$840

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

vie. 1/23

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

vie. 1/30

10:05 am-10:30 pm

2 stops19h 25m

$849

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

vie. 1/23

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

vie. 1/30

3:45 pm-11:20 am

1 stop26h 35m

$863

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

vie. 1/23

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

vie. 1/30

10:05 am-10:30 pm

2 stops19h 25m

$871

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

lun. 1/26

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

lun. 2/23

3:45 pm-6:35 pm

1 stop33h 50m

$872

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

lun. 6/8

7:55 pm-2:25 pm

1 stop34h 30m

Seattle/Tacoma Intl

lun. 6/15

4:30 pm-11:05 am

1 stop26h 35m

$874

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

vie. 1/23

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

vie. 1/30

3:45 pm-11:20 am

1 stop26h 35m

$878

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Seoul Gimpo Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $722. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seoul Gimpo Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $899.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Seoul Gimpo Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $766 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $922. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seoul Gimpo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Seattle (GMP to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Seattle

Fastest flight time	18h 30m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to Seattle takes 18h 30m

There are no direct flights from Seoul Gimpo Intl Airport to Seattle. There are no popular flight routes from Seoul Gimpo Intl Airport to Seattle.

Search flight deals

How far is Seoul Gimpo Intl to Seattle/Tacoma Intl by plane?
The distance between Seoul Gimpo Intl and Seattle/Tacoma Intl is about 5173.4 mi. In terms of flight time, this usually takes a little over 18h 30m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Cle Elum

Federal Way

Lakewood

Fife

Westport

Kirkland

Centralia

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Seattle with flexible booking policies on momondo?

Flights from Seoul to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Seattle.

I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Seoul and alert you when they change.